Fix issue in "git status" in goreleaser.sh

[reasonerjt]

When dry-run the tag-release.sh, there's an error "fatal: detected dubious ownership in repository at '/github.com/vmware-tanzu/velero'"

This commit works around this issue to make sure "tag-release.sh" can finish successful

Please indicate you've done the following:

• [X] Accepted the DCO. Commits without the DCO will delay acceptance.
• [X] Created a changelog file or added /kind changelog-not-required as a comment on this pull request.
• [ ] Updated the corresponding documentation in site/content/docs/main.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 58.79%. Comparing base (9164bc9) to head (1f1ccab).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## release-1.14 #7830 +/- ## ============================================= Coverage 58.79% 58.79% ============================================= Files 345 345 Lines 28764 28764 ============================================= Hits 16911 16911 Misses 10425 10425 Partials 1428 1428 ```

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